Process for providing composite radiopaque intracorporeal...

Details Process for providing composite radiopaque intracorporeal... Process for providing composite radiopaque intracorporeal...

2007-11-20

2007-11-20

Hong, John C. (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C600S585000, C140S07100R

Reexamination Certificate

active

10735793

ABSTRACT:
The invention is directed to a guidewire having a distal flexible member, such as a helical coil, which is formed with at least one highly radiopaque component and at least one high strength component. In a presently preferred embodiment, the highly radiopaque component is at least 10% and less than about 60% of the transverse cross-section of the flexible member, preferably at least 20% but less than 40%. The highly radiopaque component may be formed of radiopaque material such as platinum, gold, iridium and the like and the high strength component may be formed of a material such as tantalum, stainless steel, NiTi alloys, Co—Cr—Mo alloys and the like.

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